Branchville, NJ 07837 Frost Dates
07837, near Branchville, NJ: the frost window
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/12, roughly 164 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Branchville in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Branchville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/01 isn't a guarantee
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Branchville against the rest of the dataset
Branchville's growing season runs about 164 days, ranking 31,074 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 903 of 906.
Learn more
Two guides worth reading on 07837: zone vs. frost date, on why Zone 6b and Branchville's frost date answer different questions, and the frost range, on how to read the range around Branchville's dates instead of trusting one.